CVE-2017-0904
High
Description
The private_address_check ruby gem before 0.4.0 is vulnerable to a bypass due to use of Ruby's Resolv.getaddresses method, which is OS-dependent and should not be relied upon for security measures, such as when used to blacklist private network addresses to prevent server-side request forgery.
SeverityHigh
CVSS8.1
Exploit probability—
ProductPrivate Address Check
PublishedNov 13, 2017
First seenNov 13, 2017
Weakness typeCWE-242CWE-242
How to fix
Update
- private_address_check_project private_address_check0.4.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| private_address_check_project private_address_check | v < 0.4.0 | 0.4.0 |
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